As solar power ramps up worldwide, researchers have developed schemes for using it to make everything from fuels to plastics to steel. Now, researchers have come up with a cheap and efficient way to use sunlight to recover ammonia, the main ingredient in nitrogen fertilizer, from wastewater. The new setup, described this week in Nature Sustainability, could offer farmers a cheaper source of plant nutrients while also helping clean up farm runoff and industrial wastewater.
Fonte: Science